GSM модем iRZ TC65 Lite
User Manual
10
1.6. Modem Status Indication
Two LEDs are used to indicate the operation mode or any emergency situation.
Table 2.6.1 Status indication (green LED)
Indication Mode
Conventional displaying of
indication
Operation mode
Turned off
●
Modem is turned off or there is an
emergency situation
600 ms on / 600 ms off
○○○○○
●●●●●
Modem is not registered in the network
75 ms on / 3 s off
○
●●●●●●●●●
Modem is registered in the network
75 ms on / 75 ms off / 75
ms on / 3 s off
○
●
○
●●●●●●●●●
GPRS connection is installed
500 ms on / 50 ms off
○○○○○
●
Data transmission is underway
250 ms on / 10 s off
○○○
●●●●●●●●●●
Modem is in power standby mode, alarm
clock mode.
250 ms on / 250 ms off
○○○
●●●
Programming mode, menu mode
Table 2.6.2 Emergency situation indication (red LED)
Indication Mode
Conventional displaying of
indication
Emergency description
Turned on continuously
○
Input voltage invalid
0.5 s on / 0.5 s off
○○○○○
●●●●●
Power supply of the module invalid
0.25 s on / 0.25 s off /
0.25 s on / 1 s off
○○○
●●●
○○○
●●●●●●●
GSM module not started
0.25 s on / 0.25 s off /
0.25 s on / 0.5 s off / 0.25
s on / 1 s off
○○○
●●●
○○○
●●●
○○○
●●●●●●●
COM port unavailable
For description of emergencies see Section 4 (page14)